b9119edc09
Here we're failing to treat 'new T[N]' as erroneous in a SFINAE context when T isn't default constructible because expand_aggr_init_1 doesn't communicate to build_aggr_init (its only SFINAE caller) whether the initialization was actually successful. To fix this, this patch makes expand_aggr_init_1 and its subroutine expand_default_init return true on success, false on failure so that build_aggr_init can properly return error_mark_node on failure. PR c++/82110 gcc/cp/ChangeLog: * init.c (build_aggr_init): Return error_mark_node if expand_aggr_init_1 returns false. (expand_default_init): Change return type to bool. Return false on error, true on success. (expand_aggr_init_1): Likewise. gcc/testsuite/ChangeLog: * g++.dg/cpp0x/pr78765.C: Expect another conversion failure diagnostic. * g++.dg/template/sfinae14.C: Flip incorrect assertion. * g++.dg/cpp2a/concepts-requires27.C: New test. |
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| c++tools | ||
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